CVE-2023-40890

Published Aug 29, 2023

Last updated 3 months ago

CVSS critical 9.8

Overview

Description: A stack-based buffer overflow vulnerability exists in the lookup_sequence function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be physically scanned by the vulnerable scanner.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:zbar_project:zbar:0.23.90:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "69839F4A-AD71-44D5-AA84-69614CD56F1B"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References